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4979338920 = 233453314643
BaseRepresentation
bin1001010001100101…
…01010111010101000
3110212000111121220000
410220302222322220
540144202321140
62142032303000
7234251453043
oct45062527250
913760447800
104979338920
112125786036
12b6b6a1a60
136147a65ba
14353443c5a
151e2224a30
hex128caaea8

4979338920 has 160 divisors (see below), whose sum is σ = 16790289120. Its totient is φ = 1323527040.

The previous prime is 4979338919. The next prime is 4979338937. The reversal of 4979338920 is 298339794.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1070119 + ... + 1074761.

It is an arithmetic number, because the mean of its divisors is an integer number (104939307).

Almost surely, 24979338920 is an apocalyptic number.

4979338920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4979338920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8395144560).

4979338920 is an abundant number, since it is smaller than the sum of its proper divisors (11810950200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4979338920 is a wasteful number, since it uses less digits than its factorization.

4979338920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997 (or 4984 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 4979338920 is about 70564.4309833219. The cubic root of 4979338920 is about 1707.6173649755.

The spelling of 4979338920 in words is "four billion, nine hundred seventy-nine million, three hundred thirty-eight thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 331 360 405 540 648 662 810 993 1080 1324 1620 1655 1986 2648 2979 3240 3310 3972 4643 4965 5958 6620 7944 8937 9286 9930 11916 13240 13929 14895 17874 18572 19860 23215 23832 26811 27858 29790 35748 37144 39720 41787 44685 46430 53622 55716 59580 69645 71496 83574 89370 92860 107244 111432 119160 125361 134055 139290 167148 178740 185720 208935 214488 250722 268110 278580 334296 357480 376083 417870 501444 536220 557160 626805 752166 835740 1002888 1072440 1253610 1504332 1536833 1671480 1880415 2507220 3008664 3073666 3760830 4610499 5014440 6147332 7521660 7684165 9220998 12294664 13831497 15043320 15368330 18441996 23052495 27662994 30736660 36883992 41494491 46104990 55325988 61473320 69157485 82988982 92209980 110651976 124483473 138314970 165977964 184419960 207472455 248966946 276629940 331955928 414944910 497933892 553259880 622417365 829889820 995867784 1244834730 1659779640 2489669460 4979338920